>>3
Dig a ditch.
!. Why would you want to?
2. Just do it secretly!
Build a wall.
1. Why would you want to?
2. I'm pretty sure you can if it's your property, up to a certain height.
Renovate your own house.
No need for a permit unless you're doing a total renovation.
Fish.
Maybe at some places, not all.
Shoot.
If you live in a rural area who knows/cares if you shoot?
If you don't you can always go out to some woods somewhere.
Sell.
Nope!